var link_school_content = document.querySelector(".btn");
	var school_content_off = document.querySelector(".btn_precontract");
	var disclaimer_school = document.querySelector(".web_school_content");
	link_school_content.addEventListener("touchend",function(){
			disclaimer_school.classList.add("school_content_open");
	});
	school_content_off.addEventListener("touchend",function(){
			disclaimer_school.classList.remove("school_content_open");
			alert("报名成功");
	});